Patents by Inventor Mi Jung Yun

Mi Jung Yun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240078990
    Abstract: The present invention relates to a polyester sound absorption material having improved moldability and decreased weight and a method of manufacturing a molded product using the same, and more particularly to a polyester sound absorption material, which is capable of integrally molding a skin member and a sound absorption material using a felt including a polyester base fiber, a low-melting-point polyester adhesive fiber and a polyester hollow fiber, without the need to attach an additional sound absorption pad onto a skin member.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 7, 2024
    Inventors: Hong Mo Koo, Mi Jung Yun, Joon Yong Song, Hyun Dae Cho, Hyung Joon Youn, Jeong Wook Lee
  • Patent number: 11866693
    Abstract: The present disclosure relates to a method for pretreating an evaporator for accelerating odor reproduction of an odor reproduction device for a vehicle air conditioning system, and a method for pretreating an evaporator surface of the present disclosure may include: a step of preparing an inoculation of malodorous microorganisms; a step of preparing and pretreating an evaporator; and a step of immobilizing malodorous microorganisms on an evaporator surface.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: January 9, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kwangmo Seong, Heungsik Kim, Mi Jung Yun
  • Patent number: 11862135
    Abstract: The present invention relates to a polyester sound absorption material having improved moldability and decreased weight and a method of manufacturing a molded product using the same, and more particularly to a polyester sound absorption material, which is capable of integrally molding a skin member and a sound absorption material using a felt including a polyester base fiber, a low-melting-point polyester adhesive fiber and a polyester hollow fiber, without the need to attach an additional sound absorption pad onto a skin member.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: January 2, 2024
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Dong Jin Industrial Co., Ltd.
    Inventors: Hong Mo Koo, Mi Jung Yun, Joon Yong Song, Hyun Dae Cho, Hyung Joon Youn, Jeong Wook Lee
  • Patent number: 11772143
    Abstract: Disclosed are a micro fiber and a method of manufacturing the micro fiber are proposed. The micro fiber may be manufactured by controlling thickness and Young's modulus thereof using hollow fiber.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: October 3, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industrial Cooperation Foundation Jeonbuk National University
    Inventors: Gun Kang, Won Jin Seo, Mi Jung Yun, Hong Chan Jeon, Sung June Park, Sang Min Lee, Min Jae Choe, Eun Seon Kim
  • Publication number: 20230174766
    Abstract: A vibration-damping material composition is provided. More particularly, a low-specific gravity vibration-damping material composition is disclosed that includes improved high temperature damping by using a glass bubble, an acrylic copolymer including a first acrylic copolymer and a second acrylic copolymer having different glass transition temperature and weight average molecular weight.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 8, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Shinsung Petrochemical Co.,Ltd
    Inventors: Tae Yoon Kim, Hong Chan Jeon, Mi Jung Yun, Hyeon Cheol Song, Yoo Sang Jeong, Woo Jin Kim
  • Publication number: 20230102720
    Abstract: Disclosed herein, inter alia, is a flooring woven fabric. The flooring woven fabric includes a fabric layer including bulked continuous filaments (BCFs) having crimp and a polymer resin composition. The fabric layer includes a woven yarn of BCFs and the polymer resin composition is applied on the top portion of the fabric layer such that the polymer resin to form a coating layer. The polymer resin composition of the coating layer may penetrate between the BCFs and yarns made of BCFs. As such, the flooring woven fabric may have improved the wear resistance to strengthen the surface properties and positioning the coating layer to block the penetration of liquid contaminants at the same time, thereby improving the decontamination performance.
    Type: Application
    Filed: September 21, 2022
    Publication date: March 30, 2023
    Inventors: Hyun Dae Cho, Mi Jung Yun, Chang Hyeon Noh, Hyun Joung Jun, Hae Min Hwang
  • Publication number: 20230072793
    Abstract: A cleaner composition has excellent antibacterial properties by using a natural extract including small amounts of a sage extract a eucalyptus extract, or a combination thereof.
    Type: Application
    Filed: August 16, 2022
    Publication date: March 9, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Heung Sik Kim, Kwang Mo Seong, Mi Jung Yun
  • Patent number: 11259371
    Abstract: An inorganic electroluminescence device having heat resistance, moisture resistance and physical durability improved by applying a transparent electrode layer including a metal mesh substrate or a metal patterned substrate, and a method for manufacturing the same.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: February 22, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Hong Chan Jeon, Mi Jung Yun, Oh Deok Kwon, Hyung Joon Youn, Afandi Mohammad Malik, Jong Su Kim, Tae Wook Kang, Jong Ho Ryu
  • Publication number: 20220032353
    Abstract: Disclosed are a micro fiber and a method of manufacturing the micro fiber are proposed. The micro fiber may be manufactured by controlling thickness and Young's modulus thereof using hollow fiber.
    Type: Application
    Filed: December 28, 2020
    Publication date: February 3, 2022
    Inventors: Gun Kang, Won Jin Seo, Mi Jung Yun, Hong Chan Jeon, Sung June Park, Sang Min Lee, Min Jae Choe, Eun Seon Kim
  • Publication number: 20210403896
    Abstract: The present disclosure relates to a method for pretreating an evaporator for accelerating odor reproduction of an odor reproduction device for a vehicle air conditioning system, and a method for pretreating an evaporator surface of the present disclosure may include: a step of preparing an inoculation of malodorous microorganisms; a step of preparing and pretreating an evaporator; and a step of immobilizing malodorous microorganisms on an evaporator surface.
    Type: Application
    Filed: October 2, 2020
    Publication date: December 30, 2021
    Inventors: Kwangmo SEONG, Heungsik KIM, Mi Jung YUN
  • Publication number: 20210355607
    Abstract: Disclosed are a polyester hollow fiber with excellent sound absorption and a method of manufacturing the same. The polyester hollow fiber may have a hollow ratio of about 27% to 35% compared to the cross-sectional area, and the value of the following equation (1) may be about 1.5 or greater, and the hollow in the cross-section preferably may be a three-lobed type and preferably may correspond to the following equation (1). P 4 ? ? ? A ( 1 ) In the above equation (1), A is the cross-sectional area (?m2) of the fiber, and P is the length (?m) around the cross-section of the fiber.
    Type: Application
    Filed: November 4, 2020
    Publication date: November 18, 2021
    Inventors: Ji Wan Kim, Jungwook Lee, Seongje Kim, Mi Jung Yun, Jae-Hyun Sim, Yonggu Jo
  • Publication number: 20210201881
    Abstract: The present invention relates to a polyester sound absorption material having improved moldability and decreased weight and a method of manufacturing a molded product using the same, and more particularly to a polyester sound absorption material, which is capable of integrally molding a skin member and a sound absorption material using a felt including a polyester base fiber, a low-melting-point polyester adhesive fiber and a polyester hollow fiber, without the need to attach an additional sound absorption pad onto a skin member.
    Type: Application
    Filed: December 7, 2020
    Publication date: July 1, 2021
    Inventors: Hong Mo Koo, Mi Jung Yun, Joon Yong Song, Hyun Dae Cho, Hyung Joon Youn, Jeong Wook Lee
  • Patent number: 10988080
    Abstract: A light guide plate integrated trim panel for a vehicle is provided and includes, in the trim panel for the vehicle mounted to an interior trim of the vehicle, a light guide plate configured to diffuse light emitted from a light source; and a base formed to surround the circumference and the bottom surface of the light guide plate, wherein the side surface of the light guide plate is formed to be stepped to be fixed by the base holding the circumference of the light guide plate.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: April 27, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, DUCK YANG INDUSTRY CO., LTD.
    Inventors: Hong-Chan Jeon, Mi-Jung Yun, Kwang-Mo Seong, Oh-Deok Kwon, Kwang-Seub Kim
  • Patent number: 10823906
    Abstract: Disclosed are a backlight unit for planar lighting apparatuses and a manufacturing method thereof. The backlight unit simplifies a layer structure to be formed into the shape of a vehicle interior trim part, and has a thin thickness and improved flexibility. The backlight unit includes a light emitting device configured to emit light; a light guide panel having polycarbonate and configured to disperse the light received from a light emitting device; a reflective sheet having fibers and provided below the light guide panel to reflect the light dispersed by the light guide panel; and an acrylic adhesive sheet interposed between the light guide panel and the reflective sheet. The reflective sheet includes pores.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: November 3, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hong Chan Jeon, Hong Mo Koo, Mi Jung Yun, Dong Kyu Oh, Seul Ah Lee, Byoung Chul Park
  • Publication number: 20200344853
    Abstract: An inorganic electroluminescence device having heat resistance, moisture resistance and physical durability improved by applying a transparent electrode layer including a metal mesh substrate or a metal patterned substrate, and a method for manufacturing the same.
    Type: Application
    Filed: November 26, 2019
    Publication date: October 29, 2020
    Inventors: Hong Chan Jeon, Mi Jung Yun, Oh Deok Kwon, Hyung Joon Youn, Afandi Mohammad Malik, Jong Su Kim, Tae Wook Kang, Jong Ho Ryu
  • Publication number: 20200208309
    Abstract: A pile knit fabric for internal materials of vehicles may include a knit layer prepared by weaving ground yarns, on one surface thereof, and a pile layer prepared by interweaving pile yarns with ground yarn loops of the knit layer, on the other surface thereof and, thus, has excellent physical coupling force between the ground yarns and the pile yarns and has excellent abrasion resistance, scratch resistance and formability as well as soft tactility.
    Type: Application
    Filed: October 29, 2019
    Publication date: July 2, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Kolon Glotech, lnc.
    Inventors: Hong Mo KOO, Mi Jung YUN, Oh Deok KWON, Joon Yong SONG, Hyun Dae CHO, Hong Chan JEON, Hyung Joon YOUN, Hyun Joung JUN
  • Publication number: 20200209464
    Abstract: Disclosed are a backlight unit for planar lighting apparatuses and a manufacturing method thereof. The backlight unit simplifies a layer structure to be formed into the shape of a vehicle interior trim part, and has a thin thickness and improved flexibility. The backlight unit includes a light emitting device configured to emit light; a light guide panel having polycarbonate and configured to disperse the light received from a light emitting device; a reflective sheet having fibers and provided below the light guide panel to reflect the light dispersed by the light guide panel; and an acrylic adhesive sheet interposed between the light guide panel and the reflective sheet. The reflective sheet includes pores.
    Type: Application
    Filed: October 9, 2019
    Publication date: July 2, 2020
    Inventors: Hong Chan JEON, Hong Mo KOO, Mi Jung YUN, Dong Kyu OH, Seul Ah LEE, Byoung Chul PARK
  • Patent number: 10676863
    Abstract: Provided herein is an eco-friendly artificial leather for an interior of an automobile and a manufacturing method thereof. The eco-friendly product is manufactured using a method that is compatible with various environmental regulations such as reduction of greenhouse gas emissions. The artificial leather includes a bio urethane-containing skin surface layer which uses biomass-derived components extracted from vegetable components, a solvent-free bio urethane adhesive layer, and a bio fiber base layer. The layers are sequentially stacked to minimize the use of organic solvents and components that are harmful to the human body.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: June 9, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, BAIKSAN Co., Ltd., HYUNDAI DYMOS INC.
    Inventors: Gun Kang, Mi Jung Yun, Soon Joon Jung, Hye Min Lee, Yoon Jong Cha, Seong Deuk An, Seung Ho Cho, Jae Yong Ko, Jun Ho Song, Hye Rin Choi
  • Patent number: 10307988
    Abstract: A method for manufacturing hybrid-natural leather having excellent appearance quality and good durability such as light resistance, water resistance, elongation and abrasion resistance is provided. Particularly, the fiber layer having a similar structure to the natural leather is introduced to the natural leather and the natural leather and the fiber layer are bonded and fused with each other under a specific condition to manufacture hybrid-natural leather having excellent durability while preventing wrinkles, stretching, and the like from being generated.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: June 4, 2019
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Mi Jung Yun, Hye Min Lee, Gun Kang, Soon Joon Jung, Jang Won Lee, Hak Nam Lee, Doo Yong Lee, Sang Hyun Kim
  • Publication number: 20190040572
    Abstract: Embodiments of the present disclosure relate to artificial leather and a method of manufacturing the same, and more particularly, to suede artificial leather for a vehicle seat with improved light fastness and tactile sensitivity, and a method of manufacturing the same. In accordance with one aspect of the present disclosure, a method of manufacturing artificial leather comprise needle-punching a sea-island type ultrafine conjugated yarn having a sea component of easily soluble polyester and an island component of a polyester black dope-dyed yarn to form a nonwoven fabric; wet-impregnating a polyurethane resin in the nonwoven fabric; eluting the sea component of the nonwoven fabric; dyeing and reduction-cleaning the nonwoven fabric from which the sea component is eluted; and performing in-bath flame-retardant treatment on the cleaned nonwoven fabric.
    Type: Application
    Filed: December 1, 2017
    Publication date: February 7, 2019
    Inventors: Hyemin LEE, Won Jin SEO, Gun KANG, SoonJoon JUNG, Mi Jung YUN, Hyuk-Jae YOU, Jong-Ho PARK, Eung-Min LEE